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2406540493 = 71372509427
BaseRepresentation
bin1000111101110000…
…1110010011001101
320012201022220221101
42033130032103031
514412033243433
61034444303101
7113431154020
oct21734162315
96181286841
102406540493
11102547a545
12571b41a91
132c4768976
1418b8831b7
15e141907d
hex8f70e4cd

2406540493 has 8 divisors (see below), whose sum is σ = 2770408512. Its totient is φ = 2047691616.

The previous prime is 2406540457. The next prime is 2406540517. The reversal of 2406540493 is 3940456042.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2406540493 - 213 = 2406532301 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2406550493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1253755 + ... + 1255672.

It is an arithmetic number, because the mean of its divisors is an integer number (346301064).

Almost surely, 22406540493 is an apocalyptic number.

It is an amenable number.

2406540493 is a deficient number, since it is larger than the sum of its proper divisors (363868019).

2406540493 is a wasteful number, since it uses less digits than its factorization.

2406540493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2509571.

The product of its (nonzero) digits is 103680, while the sum is 37.

The square root of 2406540493 is about 49056.5030653429. The cubic root of 2406540493 is about 1340.0810252112.

The spelling of 2406540493 in words is "two billion, four hundred six million, five hundred forty thousand, four hundred ninety-three".

Divisors: 1 7 137 959 2509427 17565989 343791499 2406540493